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The Borla XR-1 Multicore Racing Muffler is a universal, reversible design built for race venues that require a muffler. Its patented uninterrupted-flow multicore construction and T-304 stainless steel build maximize flow and durability while using high-temperature stainless packing for sound control. Lightweight and fully welded, the XR-1 balances power and sound for high-horsepower racing applications.
Borla Universal XR-1 Multi-Core Racing Muffler
